fix scroll bug

Author: ShMcK

_includes/docs/js.html

@@ -1 +1 @@
-<script>$(function(){var o=$(".docs-sidenav"),n=$(window),t=o.offset(),a=120;n.scroll(function(){n.scrollTop()>t.top?o.stop().animate({marginTop:n.scrollTop()-t.top+a}):o.stop().animate({marginTop:40})})});</script>
+<script>$(function(){var o=$(".docs-sidenav"),n=$(window),i=o.offset(),t=120;$(window).width()>991&&n.scroll(function(){n.scrollTop()>i.top?o.stop().animate({marginTop:n.scrollTop()-i.top+t}):o.stop().animate({marginTop:40})})});</script>

_includes/docs/side-nav.html

@@ -6,19 +6,21 @@
             Overview
           </a>
         </li>
+
         {% for post in site.posts reversed %}
         <li>
-          <a class="page-scroll" href="#{{ post.id }}">
-          {{ post.title }}
-        </a>
+          <a class="page-scroll" href="#{{ post.id }}">{{ post.title }}</a>
         </li>
         {% endfor %}
 
       </ul>
-      <a class="page-scroll back-to-top" href="https://github.com/coderoad/coderoad.github.io/issues">
-        <i class="fa fa-question"></i> Questions or Issues
+      <a class="back-to-top" href="https://github.com/coderoad/coderoad.github.io/issues">
+        <i class="fa fa-question"></i> Questions
+      </a>
+      <a class="back-to-top" href="https://github.com/coderoad/coderoad.github.io/issues">
+        <i class="fa fa-exclamation"></i> Issues
       </a>
-      <a class="page-scroll back-to-top" href="#top">
+      <a class="back-to-top" href="#top">
         <i class="glyphicon glyphicon-chevron-up"></i> Back to top
       </a>